<!DOCTYPE html>
crbug.com/479275: Don't ASSERT when a self-collapsing block discards its margin
<style>
* { clear:both; }
.discard { clear:none; -webkit-margin-after-collapse:discard; }
.float { display:inherit; border-block-start-style:dashed; float:left; margin-top:2%; }
</style>
<div class="float"></div>
<div class="discard"></div>
<div></div>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
